Click here for the CIA's page on Black American Contributions to Union Intelligence During the Civil War
Click here for the section on the Civil War in the African American Odyssey page
Click here for the National Park Service's page on African Americans during the Civil War era
Click here for the CIA's page on Black American Contributions to Union Intelligence During the Civil War
Click here for the section on the Civil War in the African American Odyssey page
Click here for the National Park Service's page on African Americans during the Civil War era